Category Archives: ugly fix

Follow up on Fixing your cheap nrf24l01+ pa/lna module. Theory The LC-Filter is a low pass filter and,  like the name suggests, consist of a inductance (L) combined with a capacitance (C). In our case the 3.3µH choke and the 220µF capacitor. … Continue reading →

The typical cheap nrf24l01+ pa/lna is sensitive to noise, badly shielded and energy hungry. Chinese sellers advertising them with “wireless communication up to 1000 meters!”. In reality although you can call yourself lucky if you reach with a unmodified module … Continue reading →