Using RFM95 module based on SX1276 LoRa® Communication Interface: UART Simple wire antenna or MHF Connector for external high gain antenna +20dBm – 100 mW Power Output Capability
Operating voltage: 3.3 V to 5 V Operating current: 0 to 35 mA ?6 cm x 2.4 cm Grove module Soil resistivity measurement Grove compatible interface (u-blox version)
Input: 5V(DC) Operating current (without signal output state): less than 15 mA Operating current (with signal output state): less than 40 mA Chip: KT403A Chip LDO output voltage: 3.3 V Chip output current: 100 mA(at Max.)
Working Voltage: 3.3V Support host interface: I2C, UART(default). Serve for contactless communication at 13.56MHz. Support ISO14443 Type A and Type B protocols. Support P2P communication.
Power Voltage (VCC): 3.3~5.5 V Driver IC: SSD1308Z Display Color: White Dot Matrix: 128×64 Panel Size: 26.7(W)×19.26(H)mm Active Area: 21.74(W)×11.175 (H)mm Dot Pitch: 0.17(W)×0.175 (H)mm Dot Size: 0.15(W)×0.15 (H)mm Wide range of operating temperature:20~70??
Working Voltage: 3.??V Working Current (@5V, 25??) Standby: 25-30mA Recording: 29-35mA Playing: 110-150mA Working Current (@3.3V, 25??) Standby: 23-25mA Recording: 25-30mA Playing: 70-150mA Working Temperature: 0~85?? Size: 40x20mm Weight: 31.5g
Operating voltage: 3.3V/5V Grove compatible interface Adjustable LED brightness Adjustable LED orientation Emitting color: Red Holes for mounting on the surface On-board potentiometer
Operating voltage: 3.3V/5V Press resistance: 100 MΩ LED rated current: 50 mA Grove digital interface High switching speed Low power consumption Long operating life