Monthly Archives: December 2015

INA219 Current Sensor DIY Breakout board

Another small board, this time for a INA219. The INA219 is a high-side current shunt and power monitor with an I2C interface. For testing I used Rei VILO library with a MSP430G2553 and Energia, and I measured the power consumption for this simple circuit: … Continue reading

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SHT21S DIY Breakout board

I made a little board for a SHT21 humidity and temperature sensor from Sensirion.  There are several versions with I2C interface, PWM output and SMD/analog interface. I’ve got the one with Sigma Delta Modulation (SMD) output,  is a bit-stream of pulses; the … Continue reading

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