Max17043 lipo fuel gauge connects to arduino via i2c #2
Battery state of charge and voltage are now displayed on the OLED
Max17043 lipo fuel gauge connects to arduino via i2c #1
The MAX17043 LiPo Fuel Gauge is connected to a TP4056 LiPo charger module and a 240mAh LiPo pack. LiPo Fuel…
Experiment: solar charge controller equalisation feature?
Trying to restore an old failed car battery using equalisation. I've connected my 80W solar panel to the battery without…
Introduction to the arduino yun #2
After spending a colossal £55 on my new Arduino Yun, I successfully manage to upload a blinking LED sketch. But…
Introduction to the arduino yun #1
After spending a colossal £55 on my new Arduino Yun, I successfully manage to upload a blinking LED sketch. But…
what’s a watt bicycle generator attraction at pann mill
The "What's a Watt" bicycle generator gets it's first public outing at Pann Mill in High Wycombe. Bicycle Trainer is…
Manufacturing the pwm5 solar charge controller #1
As the date for stopping manufacture of the PWM5 draws closer, here is a video showing some of the manufacturing…
Arduino nano tutorial – breakout board with 2a smps #2
The Nano breakout board with 2A switched mode 5V regulator is a neat little device, but it has been giving…
Arduino nano tutorial – breakout board with 2a smps #1
One thing the Arduino Nano lacks is a 2.1mm power socket for supply voltages higher than 5v. The standard Nano…
Pir led sensor light with li-po battery – it’s incendiary!
I both love and hate this PIR LED Sensor light! It must be the ugliest electronic device I've ever bought,…