Modules

Des modules tout fait, des capteurs etc ..

Working frequency: 420 MHz to 450 MHz Power: 3.3-5.5V Current: <25-35mA Working temperature: -20℃～+70℃ Range: 1200m line of sight (1200 bps) Interface: UART/TTL Baud rate: 1200-19200 bps Baud rate (air): 1200-19200 bps Receive Buffer: 256 bytes Size: 37mm × 17 mm × 6.6mm Weight: 30g

dfrobot_apc220_radio_data_module.pdf
apc220_datasheet.pdf

7.4V 2S 20A Li-ion Battery BMS Balanced

Charging voltage: DC8.4-9V Continuous discharge current: Maximum 20A (if the heat dissipation is not good, please reduce the load current to use) Continuous charging current: Maximum 10A Applicable options: Suitable for lithium batteries with a nominal voltage of 3.7V and a full charge of 4.2V (including 18650, 26650, polymer lithium batteries), with a starting current of 25A, power drills below 50W, or 168W resistive load. Product size: 48*20*3mm Product weight: 5g Packing size: 50*50*15mm Package weight: 5g

hw_391_bms.pdf