TTGO T-Call V1.4 ESP32 SIM800L is a compact GSM + Wi-Fi + Bluetooth module with built-in SIM800L, ideal for IoT, SMS, call, and remote monitoring applications.
TSL235R light-to-frequency converter, a precision optical sensor
TSOP 1738 IR Receiver
- Supply Voltage: 5 V
- Operating current: 5mA
- Power consumption: 0.4 to 1.0 mA
- Ee irradiation: 0.35 mW/m2 typ.
- Angle of detection: 90
- Dimensions of the casing (mm): 12.5 x 10 x Thickness 5.8
- Temperature range: -25 C to +85 C
- Can detect IR signals from Remotes (38kHz)
- High Range and wide coverage area.
- Will respond only to IR signals, due to high immunity against ambient light
- Low power consumption
- Has in-built pre amplifier
- TTL and CMOS compatible
TSOP1838 IR Reciever Metal Small
- Supply voltage: 2.7 to 5.5V
- Reception Distance: 18 Meters
- P.F Centre Frequency: 38KHz
- Supply Current: 0.4 to 1.5mA
- Reception angle :+/- 45 degrees
- VOH (6V Vcc): 4.5V
- VOL (5V Vcc): 0.4V
- Photo detector and preamplifier in one package
- Internal filter for PCM frequency
- TTL and CMOS compatibility
- Output active low
- Improved shielding against electrical field disturbance
- Suitable burst length: 6 cycles/burst
- Low power consumption.
- Immunity to ambient light is high
TSW-20 Turbidity Sensor with an amplifier board.
TSW-20 Water Turbidity Sensor with a red amplifier board
TTL to RS485 converter module
TTP223 1way
- Power supply for 2 ~ 5.5V DC
- Output high VOH: 0.8VCC V
- Output low VOL: 0.3VCC V
- Response time (touch mode) : 60 mS
- Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) : 8 mA
- Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) : 4 mA
- Response time (low power mode) : 220 mS
- Low power consumption
- Can replace the traditional touch of a button
- Four M2 screws positioning holes for easy installation
- Size : 24 x 24 x 7.2 mm
TTP223 Mini 1-Way Touch Key Red capacitive touch sensor module
TTP223B 1-Way Capacitive Touch Switch module
TTP224 4WAY
- On-board TTP224 capacitive touch sensor IC 4 keys
- 4 board-level status indicator
- Working voltage: 2.4V-5.5V
- Advanced Pins breakout, so that the output mode and working mode are selectable.
- Low power selection
- Operating Current: < 9 µA
- Fast Mode and Low Power Mode
- Various Output Mode selection
- Outputs sensing via dedicated output pins
- PCB board size: 35 (mm) x 29 (mm)
TTP229 16WAY
- On-board TTP229 capacitive touch sensor IC
- Operating voltage 2.4V~5.5V.
- Built-in regulator with external enable / disable option.
- Operating current, @VDD=3V no load.
- At low power mode typical 2.5uA.
- At fast mode typical 9.0uA; @VDD=3V.
- The response time is about 100mS at fast mode, 200mS at low power mode
- Built-in regulator
- Adjustable sensitivity
- Two modes
- Simple 8 key mode with independent 8 Channel parallel output.
- Advanced 16 Key modes with I2C interface output.
- Provides Fast mode and Low Power mode selection by pad option (LPMB pin).
- Provides direct mode or toggle mode CMOS output or open-drain output.
- Auto calibration for life and the re-calibration period is about 4.0sec when the key has not to been touched.
- PCB Size: 49.3 x 64.5 mm