The FT232RL USB to TTL Serial Adapter Module is a high-performance USB-to-UART interface board designed for programming microcontrollers, flashing firmware, and serial debugging. Built around the industry-standard FTDI FT232RL chip, it features selectable 3.3V and 5V logic levels, integrated RX/TX status LEDs, and a DTR pin for seamless automatic reset programming with Arduino Pro Mini, ESP8266, and STM32.
Designed to extract, amplify, and filter small biopotential signals. Leads-Off Detection. Shutdown Pin. LED Indicator. Analog Output. 3.5 mm Jack for Biomedical Pad Connection.
LDR module 4 PIN Operating voltage 3.3V-5V Signal output indicator light. LDR module 4 PIN Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
Connector type: XT90 Mail-Female pair Metal connector size: 4.5mm Housing shape provides protection against shorting and reverse polarity Can accept up to 8AWG wires Able to sustain 90A+ continuous current.
RP2040 microcontroller with 2MB of flash memory On-board single-band 2.4GHz wireless interfaces (802.11n) Micro USB B port for power and data (and for reprogramming the flash) 40 pin 21mmx51mm ‘DIP’ style 1mm thick PCB Exposes 26 multi-function 3.3V general purpose I/O (GPIO) 23 GPIO are digital-only, with three also being ADC capable
AC 100~240v or 12V DC input The cables come with a fitted fuse. Microprocessor controlled Li-ion, LiPo, and LiFe capable Input voltage monitoring. (Protects car batteries at the field) Battery break-in and cycling feature Data storage (Store up to 5 packs in memory) Internal resistance checker to see pack health Delta-peak sensitivity Individual cell balancing
Voltage: 3-3.6V (recommended 3.3V) V. Maximum output power: +20dBm. Power-down mode current: 4.2uA. Operating Range: 1Km Antenna Gain (peak): 2Dbi. 2MB rate (Open area): 520m. 1MB rate (Open area): 750m. 250Kb rate (Open area): 1100m. It uses 2.4GHz global open ISM band, with license free. SPI interface facilitates the communication with MCU I/O port.
Input Voltage : 2 Volt – 5.5 Volts DC. The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V. Sensitivity can adjust by the capacitance(0~50pF). Stable touching detection of the human body for replacing traditional direct switch key. Provides direct mode toggle mode by pad option(TOG pin). After power-on have about 0.5sec stable-time, during the…