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Petit Studio Raspberry Pi HDMI extender cheap cable fix
Note: This fix is NOT due to a fault of the Petit Studio Raspberry Pi Camera extension kit, it’s due to the use of cheap HDMI leads. I brought some Petit Studio Raspberry Pi HDMI camera extenders from…
Read More »EP Solar MPPT Tracer charge controller serial code
Following on from my previous post working out the EP Solar Tracer serial protocol, I’ve got code working on a Raspberry Pi. It’s even validating the CRC checksum.
Read More »EP Solar MPPT Tracer charge controller serial interface
I’m currently involved in a project to set up a solar powered wireless station and wanted to remotely monitor the battery charge process. I looked into a number of charge controllers to see if any of them could…
Read More »Pulsecounter PCB’s have arrived
I posted recently about detecting power loss in an AVR and quickly writing values to EEPROM before power is lost completely and have since received the PCB’s I ordered from oshpark. This is the first time I have…
Read More »Soldering ESCs
I’m using 30 Amp hobby King ESCs in my Quad Copter. They each come with five bare ends which need connectors soldered to them. Here’s a picture showing the result of about two hours of soldering and heat…
Read More »Update – Bosch BMP085 Source (Raspberry Pi)
I have updated my code to Read data from a Bosch BMP085 with a Raspberry Pi to correct some bugs reported back to me. The main bug was that I’d forgotten to close the i2c file at the…
Read More »Water Meter Project
Our water at home is supplied by way of rainwater off the roof of the house. We have about 55000 Litres (~14500 Gallons) of storage capacity but a long dry summer sees the levels drop considerably. I decided…
Read More »Update – Reading data from a Bosch BMP085 with a Raspberry Pi
Since my earlier post on Reading data from a Bosch BMP085 with a Raspberry Pi, the lm-sensors.org website has gone down. If you need smbus.c or smbus.h, here are copies from back in August 2012. Note that I…
Read More »Update – Reading data from a Sensirion SHT1x with a Raspberry Pi
After a few comments regarding my code to read data from a Sensirion SHT1x with a Raspberry Pi, I’ve got some updated code. Please see my previous post for general information, but use the code here. The list…
Read More »Raspberry Pi – Increasing the USB power limitations Part 2
Last week I wrote about how to bypass the USB Polyfuses on the Raspberry Pi to Increase the available power for USB devices. Unfortunately, my Raspberry Pi is still unstable (I’ve tried both Raspian and ARCH Linux), so…
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