Features:
This module uses high-precision, low-power MCU with 24-bit ADC, with special sensor for kitchen scale, measuring range 0~5kg, accuracy ‐2g (regardless of structural factors, and four-corner error of weighing platform), measurement data passes I2C The mode communicates with the external MCU (see the communication protocol below), which can be used with the Wifi or bluetooth module for intelligent products with weighing.
Specifications:
Range: 1-25kg
Output sensitivity: 1.0 (error less than 0.15)
Nonlinear: 0.05% F.S
Lag: 0.05% F.S
Repeatability: 0.05% F.S
Creep: 0.05% F.S/3min
Zero output: +-0.1mV/V
Output impedance: 1000+-10
Input impedance: 1000+-10
Operating temperature: -10 to 60 ° C
Current: <3MA (weighing mode) / <3UA (standby mode)
Mechanical rigidity: rigidity
Number of layers: double-sided
Substrate: glass fiber
Insulation material: organic resin
Insulation thickness: conventional board
Flame retardant properties: V1 board
Processing technology: electrolytic foil
Reinforcement material: fiberglass cloth base
Insulating resin: epoxy resin (EP)
Note:
All data is high byte high first, low byte Bit0 last hair, heavy
The quantity data is a signed hexadecimal number.
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Specifications:
Size: 30.25 × 8.5 × 1mm3
Model: KSL703B
Working voltage: 1.9V~3.6V
Application range:
Ø Wireless mouse / machine keyboard
Ø Wireless PC peripherals
Ø Active RFID
Ø Toys
Ø Remote consumer electronic equipment RF terminal
Features:
WL703B is a 2.4G short-range transceiver module with GFSK modulation. The module integrates RF transceiver channels, GFSK modems and data links. Users only need to make simple settings for the receiving/transmitting channel to communicate. In Auto Transceive mode, the chip can automatically judge whether the data is transmitted/received successfully according to the response information, thereby re-transmitting, losing packets, continuing to send and waiting, etc., simplifying the user program.
Ø Adopt ASK demodulation mode, the receiving sensitivity reaches -110dBm;
Ø 2.4GHZ ISM bandwidth
Ø Code rate: 2Mbps/1MBbps
Ø Very low power consumption (normal temperature):
Emission current: 14.8mA (P0=0dBm)
Receive current: 17.5mA
Shutdown current: 2.5uA
Standby current: 0.9mA
Ø 1.9~3.6V power supply
Ø Auto Transceive data packet automatic retransmission
Ø Automatic packet processing •
Ø 6 data channels
Ø 5V withstand voltage
| Lead number |
symbol |
Name |
| 1 |
IRQ |
Interrupt signal, active low |
| 2 |
MISO |
SPI data input signal |
| 3 |
MOSI |
SPI data output signal |
| 4 |
SCK |
SPI clock signal |
| 5 |
CSN |
SPI chip select signal |
| 6 |
CE |
Chip chip select signal |
| 7 |
VDD |
power input |
| 8 |
GND |
Ground |
Overview:
The RX500A is a highly integrated, ultra-low power monolithic ASK/OOK RF receiver module that is an upgrade to the module RX480A/RX480S.Operating voltage range of 2.0V ~ 5.5V and very high sensitivity of -108dBm, and ultra-low operating current of 2mA, making it ideal for a variety of low-power equipment and so on.
Features:
– Perfectly compatible with various super regenerative receiver modules
– Complete monolithic UHF receiver
– Standard CMOS interface controls and decodes data output
– RF antenna radiation is very low
– The most economical peripheral device design
– High integration, simple external, stable and reliable
Specifications:
Frequency range: 315MHz / 433.92 MHz
Operating voltage: 2.0V – 5.5V
Low power mode:3mA (315MHz, Full Operation) / 3.5mA (433.92MHz, Full Operation)
Receiver sensitivity:-108 dBm @ 315MHz/-108 dBm @ 433.92MHz
Data rate: up to 5kpbs
Applications:
Remote control fan/Remote light/Remote control door/Remote keyboard/Remote RFID/Smart home controller/Remote control toys/Wireless encryption device receiver/Short-distance remote control
Package Included:
1 x Pressure Sensor Module
1 x Ultra Low Power RF Module Wireless Transceiver Module
1 x Wireless Receiver Module
Availability: 
Shipping: Free Airmail 
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