SainSmart HC-SR04 Ranging Detector Mod Distance Sensor Blue
Using IO trigger for at least 10us high level signal.
The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
IF the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level....
PUSOKEI for Raspberry Pi 3G/4G LTE Base Hat PC/Laptop/Computer Board Built-in Nano SIM Card Socket with USB 2.0 to Micro USB Cable for Raspberry Pi 4/3/2/B+
Totally compatible with for Raspberry Pi 4/3/2/B+ models with the 40-pin GPIO header.
Clip‑in mini PCI‑E socket is compatible with worldwide LTE, for UMTS/HSPA+ and for GSM/GPRS/EDGE coverage with regional or global modules which work with different frequencies and carriers.
For NANO SIM card socket can easily reachable from the upside of the HAT.
Can be used standalone with PC/Laptop over micro USB without stacking with for Raspberry Pi.
Efficient and low quiescent current power circuit can support up to 3Amps.
High Voltage DC-DC Boost Converter 1.5V-3V to 300V-400V 380V Adjustable Step-up Voltage Booster Power Supply Module
3V DC boost power module, High-voltage sensors, Quiescent current 12mA, Size: 58x17x14mm/2.28x0.66x0.55inch.
Input voltage 3V, the output voltage adjustable range of 300V-400V (this circuit is not added voltage regulator circuit, the input voltage decreases the output voltage will drop)..
When the high voltage output is connected with a load, the on-board vibrator wiring terminal will have 3V voltage output (also can be connected in series with a LED and dozens of ohms resistanceas an indicator)..
Juried Engineering CD4025BE CD4025 CMOS Triple 3-Input NOR Gate IC Breadboard-Friendly DIP-14 (Pack of 5)
Propagation delay time = 60 ns (typ.) at CL = 50 pF, VDD = 10 V.
Buffered inputs and outputs, Maximum input current of 1 µA at 18 V over full package-temperature range.
Standardized symmetrical output characteristics, Noise margin (over full package temperature range): 1 V at VDD = 5 V, 2 V at VDD = 10, 2.5 V at VDD = 15 V.
100% tested for maximum quiescent current at 20 V, 5-V, 10-V, and 15-V parametric ratings.
Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices".
Juried Engineering CD4081BE CD4081 CMOS Quad 2-Input and Gate Breadboard-Friendly (Pack of 10)
The CD4073B AND gates, provide the system designer with direct implementation of the AND function and supplement the existing family of CMOS gates.
Medium-Speed Operation - tPLH, tPHL = 60 ns (typ.) at VDD = 10 V, 100% tested for quiescent current at 20 V.
Maximum input current of 1 µA at 18 V over full package-temperature range: 100 nA at 18 V and 25°C.
Noise margin (full package-temperature range) = 1 V at VDD = 5 V, 2 V at VDD = 10 V, 2.5 V at VDD = 15 V, Standardized, symmetrical output characteristics.
5-V, 10-V, and 15-V parametric ratings, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
UCTRONICS DC 12V Time Delay Relay Module with Plastic Enclosure, On Delay and Off Delay for Automobile, Raspberry Pi, Industrial Control, and Other Electronic Projects
Max. Load Voltage: terminal NC is DC 30V or AC 250V, terminal NO is DC 28V or AC 125V.
Functions: Supports on delay and off delay modes, the delay time can be adjusted from 0.1s to 1h, the delay mode and delay time can be set by shorting or opening the jumper pins and rotating the potentiometer..
Self Protection: Built with protection against reversal diode, supports anti-reverse protection. NOTE: Please remove the jumper cap of S5 when controlling AC current or DC current voltages other than 12V, otherwise the module will be burned or will not work properly..
Applications: This module works as a switch with time delay on and off function, highly recommended for automotive circuit modification, and LED lights, DC motors, pump and smart home control system..
You'll Be Getting: A time delay relay module U6031, 2 pieces of protective case and 2 mounting screws.
the plastics case keep the module free from dust and water, which is available for more applications than the separate module..
Juried Engineering CD4073BE CD4073 4073 CMOS Triple 3-Input and Gate Breadboard-Friendly IC DIP-14 (1 Piece)
The CD4073B AND gates, provide the system designer with direct implementation of the AND function and supplement the existing family of CMOS gates.
Medium-Speed Operation - tPLH, tPHL = 60 ns (typ.) at VDD = 10 V, 100% tested for quiescent current at 20 V.
Maximum input current of 1 µA at 18 V over full package-temperature range: 100 nA at 18 V and 25°C.
Noise margin (full package-temperature range) = 1 V at VDD = 5 V, 2 V at VDD = 10 V, 2.5 V at VDD = 15 V, Standardized, symmetrical output characteristics.
5-V, 10-V, and 15-V parametric ratings, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
【Micro-processing Intelligent Recognition】：When a carbon monoxide gas leak occurs, it can quickly identify the gas and emit an alarm of 85 decibels to avoid dangerous accidents and ensure personal and property safety..
【Low Power Consumption Design】：The Detector is equipped with 2AA battery, Quiescent Current: 15 (uA).
【Standby】：Green light flashes every 15 seconds.
【Alarm Standard】：50ppm - Alarm within 60 to 90 minutes.
【UL2034 Certificate & Warranty】：5 year manufacturer warranty.If you have any technical questions, please contact us and we will get back to you as soon as possible..
【Pay attention to maintenance】 ：Please check the product regularly to ensure that the detector is working properly, and use a vacuum cleaner to remove dust on the surface of the product once a month..
