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Mixed Linear Scale DRO with MSP430 Launchpad Yuriys Toys

Mixed Linear Scale DRO with MSP430 Launchpad Yuriys Toys

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Mixed Linear Scale DRO with MSP430 Launchpad

Former USB cable connected to a Harbor Freight caliper's main board

4-Axis adapter board prototype

Digital Caliper Basics

A few weeks ago I posted the build instructions for an adapter board that can be used for interfacing various digital scales to the MSP430 Launchpad DRO ...

TP1 on the MSP430 Launchpad board is connected to 5V

Mixed Scale DIY Digital Readout kit for TouchDRO

MSP430 Value Line Launchpad DRO controller connected to a level shifter board. Mixed Scale ...

In the first part of the build instructions for the MSP430G2 LaunchPad-based DRO controller I showed a few pictures of the unit I built for my mini mill.

Arduino DRO DIY Build Instructions

MSP430 Value Line Launchpad DRO controller setup

Last Monday I shipped the first batch of orders for the Mixed Scale DIY DRO Kit, so those of you that have placed an order have likely already received it.

MSP430 Launchpad requires almost no additional parts

TouchDRO Quadrature board is designed to interface standard quadrature scales to TouchDRO Android application. It supports up to four scale inputs, ...

TouchDRO BlueTooth Adapter Board for iGaging Scales

MSP430 Value Line Launchpad DRO controller connected to digital capacitive and glass scales

Build Instructions for MSP430 Launchpad Digital Readout Controller

5V, 3.3V and 1.5V power supplies connected to the adapter board.

Google Nexus 7 Running an Early Version of DRO Application

The LaunchPad is ready for the next step

Older version of the PCB (right) seems to be repurposed from 5201 scale

If you read some of the earlier posts on this blog you will quickly see that the times were much simpler four years ago when it comes to iGaging scales: ...

Mixed Linear Scale DRO with MSP430 Launchpad | Yuriy's Toys | CNC | Pinterest | Scale, CNC and Men cave

DRO interface ready to go into the garage

MSP430 Launchpad V1.5 has some subtle differences

MSP430G2553 Microcontroller inserted into Launchpad V1.5

Once the plastic is removed the pins are much easier to desolder

For several years the so-called "remote DRO " capacitive scales, manufactured by Wenzhou Sanhe Measuring Instrument Co.,Ltd. have been the mainstay of ...

More Microcontroller Options for DIY DRO

Small optical encoder, using a graduated disk and an IR diode/phototransistor pair

Selecting Scales for a DRO

Customized IOT Development Board with inbuilt ESP12E 8266 & TI-LaunchPad MSP430G2 | | NUTTY

NEMA32 Stepper Motor and Driver

STM32VL (left) and STM32F4 (right)

When soldering, heat up the pad and the lead at the same time

Finished connection should look similar to this

Since their initial release iGaging Absolute DRO Plus scales seem to be gaining momentum. They have a lot going for them, but unfortunately they are ...

New DRO Scales Next to Original iGaging DigiMag

5 KOhm Resistors

New Version of Android DRO Coming

Clock lines connected to the Launchpad

Only inner 4 pins are used; outer pins can be clipped off

Notches on the ICs should all be pointing up

The connection follows the USB standard wiring

Designated menu button can be seen in the lower-right corner of the phone

Connection for iGaging Scales with Mini-B Connectors

AbsoluteDRO+ Scales

The "Rx" line is soldered to "Tx" pin on the LaunchPad

Vcc and Power connected to the LaunchPad

Electrolytic Capacitors

blu-DRO Unit

iGaging AbsoluteDRO+ Scale Connections

Most of the parts for a basic DRO controller are sold at the Radio Shack

AccuRemote and iGaging DigiMag scales are made by the same company; other than the frame/head material, the electronics are identical

HC-05 Bluetooth Module for Arduino Digital Readout DRO

Finished kit with jumpers set for 1.5V scales or calipers

I test TouchDRO on a number of devices ranging from 10" Galaxy Note Tab to an old LG phone with 4" screen. One of the reasons being that there are subtle ...

I/O test points are clearly marked on the board

I've received a fair number of complaints about the readout being inaccurate when the default counts-per-inch were used. These problem can be caused by ...

Linvor BT Transceiver mounted on a carrier board

Both scales use the same part number for the PCB but different revisions

iGaging Scale Reading Head (Mini-B version) Test Points

Power supplies and virtual grounds connected to their corresponding inputs

Using a pair of clippers, cut the plastic in a few places

Utilizatorilor le plac și aceste idei

Breadboard adapter for the tiny Texas Instruments MSP430 microcontroller

Comunicación serie vía Bluetooth, entre la tarjeta MSP430 Launchpad y el Software Processing.

Glass Scales

This is how my "bench" setup looks like with all required connections

Data line connections

In the last post I started covering the installation of the glass scales on my Grizzly G0463 (AKA Sieg X3) mill. You might recall that I got the scales ...

A piece of wire sitting next to a power cord picks up over 3.5V of noise voltage

For example, the micromenter in the picture above has much better resolutions at 0.0001" than either of the rulers. For the purposes of the DRO ...

A crude implementation of optical encoder should help to visualize the principle at work

Optional Parts

Reading iGaing scales with Arduino UNO and a few parts

MSP430 Launchpad ADC Tutorial

TouchDRO Adapter for iGaging Board inside blu-DRO unit

Three Ways to Improve iGaging DRO Scales Reliability

measuring equipment 2 axis lcd digital readout set (GCS) - China digital readout, HXX

Bluetooth Booster Pack

Ghetto controller idea

Adding DRO to my Grizzly G0463 (Sieg X3 Mill)

Jet 1024P apron covered in old grease and oil

Inexpensive Chinese calipers come in different shaped and sizes, but most are ill suited for a reliable DRO

Pins can be slipped into the connector body rather easily

What's Included

AccuRemote and iGaging Absolute DRO+ Scales look identical

Parts required for the simple battery backup circuit

MSP430 State Machine Project Pt/2

New MSP430F5529 Launchpad In Pictures

A few posts ago I offered some general ideas on adding a tachometer to TouchDRO setup that covered some theory and a basic example circuit.

Last week I started putting together the new firmware that will allow the MSP430 Launchpad version of the digital readout to read a mix of different scales ...

Pin functions for my Easson DRO scales (image courtesy of Easson)

0-600mm 0.01mm Remote Digital Readout linear Scale External Display

Mini-B ...

Some of you might remember that several years ago I used to own a Harbor Freight Mini Mill, AKA SIEG X2. At one point I upgraded the X-Y table to the LMS ...

There is a good amount of resistance between the frame and the ground lead

Mixed Linear Scale DRO with MSP430 Launchpad

In the first part of the build instructions for the MSP430G2 LaunchPad-based DRO controller I showed a few pictures of the unit I built for my mini mill.

A few weeks ago I posted the build instructions for an adapter board that can be used for interfacing various digital scales to the MSP430 Launchpad DRO ...

TP1 on the MSP430 Launchpad board is connected to 5V

MSP430 Value Line Launchpad DRO controller connected to a level shifter board. Mixed Scale ...

Mixed Scale DIY Digital Readout kit for TouchDRO

Mixed Linear Scale DRO with MSP430 Launchpad | Yuriy's Toys

Last Monday I shipped the first batch of orders for the Mixed Scale DIY DRO Kit, so those of you that have placed an order have likely already received it.

MSP430 Value Line Launchpad DRO controller setup

Arduino DRO DIY Build Instructions

Digital Caliper Basics

TouchDRO Quadrature board is designed to interface standard quadrature scales to TouchDRO Android application. It supports up to four scale inputs, ...

MSP430 Launchpad requires almost no additional parts

Google Nexus 7 Running an Early Version of DRO Application

MSP430 Value Line Launchpad DRO controller connected to digital capacitive and glass scales

Build Instructions for MSP430 Launchpad Digital Readout Controller

TouchDRO BlueTooth Adapter Board for iGaging Scales

4-Axis adapter board prototype

The LaunchPad is ready for the next step

5V, 3.3V and 1.5V power supplies connected to the adapter board.

Older version of the PCB (right) seems to be repurposed from 5201 scale

Mixed Linear Scale DRO with MSP430 Launchpad | Yuriy's Toys | CNC | Pinterest | Scale, CNC and Men cave

If you read some of the earlier posts on this blog you will quickly see that the times were much simpler four years ago when it comes to iGaging scales: ...

Customized IOT Development Board with inbuilt ESP12E 8266 & TI-LaunchPad MSP430G2 | | NUTTY

MSP430 Launchpad V1.5 has some subtle differences

Once the plastic is removed the pins are much easier to desolder

MSP430G2553 Microcontroller inserted into Launchpad V1.5

Selecting Scales for a DRO

For several years the so-called "remote DRO " capacitive scales, manufactured by Wenzhou Sanhe Measuring Instrument Co.,Ltd. have been the mainstay of ...

More Microcontroller Options for DIY DRO

NEMA32 Stepper Motor and Driver

STM32VL (left) and STM32F4 (right)

Finished connection should look similar to this

When soldering, heat up the pad and the lead at the same time

Since their initial release iGaging Absolute DRO Plus scales seem to be gaining momentum. They have a lot going for them, but unfortunately they are ...

New Version of Android DRO Coming

New DRO Scales Next to Original iGaging DigiMag

5 KOhm Resistors

Clock lines connected to the Launchpad

Only inner 4 pins are used; outer pins can be clipped off

Notches on the ICs should all be pointing up

Designated menu button can be seen in the lower-right corner of the phone

Step 4 - Connect the Clock Lines

Connection for iGaging Scales with Mini-B Connectors

Vcc, Ground and Clock can be connected as shown to keep the setup clean

The "Rx" line is soldered to "Tx" pin on the LaunchPad

Vcc and Power connected to the LaunchPad

AbsoluteDRO+ Scales

Electrolytic Capacitors

blu-DRO Unit

iGaging AbsoluteDRO+ Scale Connections

Most of the parts for a basic DRO controller are sold at the Radio Shack

4" Rotary Table Worm Screw Assembly With Thrust Bearings and Preload Screw

AccuRemote and iGaging DigiMag scales are made by the same company; other than the frame/head material, the electronics are identical

Step 4 - Connect the Data Lines

Finished kit with jumpers set for 1.5V scales or calipers

Bending lead out on the underside will prevent resistor from falling out

Optional bypass capacitors between Vcc and Ground

A Better DIY Power Feed for X2 Mini Mill

I test TouchDRO on a number of devices ranging from 10" Galaxy Note Tab to an old LG phone with 4" screen. One of the reasons being that there are subtle ...

Small optical encoder, using a graduated disk and an IR diode/phototransistor pair

I've received a fair number of complaints about the readout being inaccurate when the default counts-per-inch were used. These problem can be caused by ...

Both scales use the same part number for the PCB but different revisions

Mounting BT module flat will keep the profile low but takes more space

The connection follows the USB standard wiring

Using a pair of clippers, cut the plastic in a few places

Utilizatorilor le plac și aceste idei

Power supplies and virtual grounds connected to their corresponding inputs

iGaging Scale Reading Head (Mini-B version) Test Points

Breadboard adapter for the tiny Texas Instruments MSP430 microcontroller

Comunicación serie vía Bluetooth, entre la tarjeta MSP430 Launchpad y el Software Processing.

Step 5 - Connect the Bluetooth Transceiver

This is how my "bench" setup looks like with all required connections

Data line connections

A piece of wire sitting next to a power cord picks up over 3.5V of noise voltage

For example, the micromenter in the picture above has much better resolutions at 0.0001" than either of the rulers. For the purposes of the DRO ...

In the last post I started covering the installation of the glass scales on my Grizzly G0463 (AKA Sieg X3) mill. You might recall that I got the scales ...

A crude implementation of optical encoder should help to visualize the principle at work

Reading iGaing scales with Arduino UNO and a few parts

MSP430 Launchpad ADC Tutorial

Three Ways to Improve iGaging DRO Scales Reliability

TouchDRO Adapter for iGaging Board inside blu-DRO unit

measuring equipment 2 axis lcd digital readout set (GCS) - China digital readout, HXX

Bluetooth Booster Pack

Ghetto controller idea

Adding DRO to my Grizzly G0463 (Sieg X3 Mill)

Inexpensive Chinese calipers come in different shaped and sizes, but most are ill suited for a reliable DRO

Pins can be slipped into the connector body rather easily

What's Included

Parts required for the simple battery backup circuit

MSP430 State Machine Project Pt/2

New MSP430F5529 Launchpad In Pictures

Pin functions for my Easson DRO scales (image courtesy of Easson)

Last week I started putting together the new firmware that will allow the MSP430 Launchpad version of the digital readout to read a mix of different scales ...

0-600mm 0.01mm Remote Digital Readout linear Scale External Display

Old scissors make short work of cutting resistors off the tape

There is a good amount of resistance between the frame and the ground lead

Mini-B ...

Accuremote 12" Super High Accuracy Digital Readout (Dro) With Remote Reading Stainless Steel For Mill / Lathe, 2015 Amazon Top Rated Calipers # ...

AMO length measuring system LMK-312.04-0-2-5 linear scale head SEN-I-429 #AMO