Fobble – A general purpose Wireless Breakout Board!
Ken Boak has designed a compact board with RFduino Bluetooth Low Energy Module: This week I have been working on another of my standard footprint 50mm x 50mm boards - it is a general purpose wireless module carrier board:- Fobble. That's a BLE Fob - for anyone who misses the...
Continue ReadingRF Probe
m0xpd @ m0xpd.blogspot.com has build a RF probe on a little PCB board. Today I finally got round to building a nice little RF probe kit from Rex, w1rex, the Tuna King over at QRPme. RF Probe -...
Continue ReadingArdLock – Arduino Door Lock
EswarD2 @ instructables.com has build an Arduino based door lock using Arduino UNO, a keypad and a servo motor. This a door lock built as fun project.It is quite easy to build and a fun way to learn and improve your knowledge of arduino.I tried to add a 16*2 display but there werent...
Continue ReadingMAX30102 – High-Sensitivity Pulse Oximeter and Heart-Rate Sensor
The MAX30102 pulse oximeter and heart rate integrated sensor module is claimed as the lowest power solution on the market today The MAX30102 is an integrated pulse oximetry and heart-rate monitor module. It includes internal LEDs, photodetectors, optical elements, and low-noise...
Continue ReadingU8plus Smart Watch Quick Teardown
sodnpoo.com has reverse engineered a cheap smartwatch he found on amazon: I noticed this smart watch on Amazon for the bargain price of £7.51, which was just too cheap to ignore - I didn't expect much but I was quite surprised at how functional it actually was... Anyhow, it was...
Continue ReadingReverse engineering the silicon in the ARM1 processor
righto.com has reverse enginnered one of the most popular proccessors: How can you count bits in hardware? In this article, I reverse-engineer the circuit used by the ARM1 processor to count the number of set bits in a 16-bit field, showing how individual transistors form...
Continue ReadingLux Meter Module
LUX Meter project has been design to measure the illumination. Illumination is luminous flux falling on surface area of photo diode. This illumination converted to corresponding voltage using Op-Amp circuit. Specifications Supply 9 VDC PP3 Battery @ 20 mA Onboard Photo...
Continue ReadingMonitoring Woodstove Temperature With A MAX31855 Quad Thermocouple BoosterPack
Spirilis @ 43oh.com forum would like to monitor his woodstove temperature profiles so he build a plugin board for LaunchPad using the MAX31855 thermocouple to digital converter. This BoosterPack is fancied as a baseboard plugging underneath the LaunchPad, with four holes for...
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