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This simple layout can be used as a portable kitchen timer, darkroom photographic chemical lab, etc. It was designed based on the extremely popular binary counter from the 4060 series C-MOS series. It contains in its structure a generator and frequency divider, so to operate minimum elements are required. The delay time is set smoothly by a rotary potentiometer. The system audibly signals the end of the set interval.
The device is especially recommended in situations requiring timing
Selected parameters:
- the ability to adjust the delay in the range 1-20min
- signaling status - LED
- smooth adjustment of the delay time
- signaling of measured time - sound
- built-in piezo transducer with generator
- power supply - 9 Vdc (battery)
- plate dimensions 30x54mm
- printed circuit board and documentation included
A version with a set of components for self-assembly is available- Detailed description in EP 8/08
Download
Other products in the same category (16)
Replacing the 10/100 Ethernet port with onboard 802.11 b/g/n 2.4GHz WiFi and Bluetooth, the popular open source BeagleBone Black computer now comes with built-in wireless networking capability. Leveraging a partnership with Octavo Systems and designed in CadSoft Eagle, BeagleBone Black Wireless is the easiest to use and modify credit-card sized IoT Linux computer available. BBBWL-SC-562
No product available!
EEE 802.11ac/a/b/g/n WLAN module with on-board 2.4Ghz and 5Ghz Dual band antenna. WiFi Module 5
No product available!
No product available!
Arduino ADK is a board in the ATmega2560 microcontroller and a USB interface that allows communication with Android smatrfones. The board provides, among others: 54 I / O lines, 14 PWM channels, 4 UART interfaces. A000069
No product available!
The Cloudshell for XU4 is an affordable DIY Network Attached Storage (NAS) Solution to create your own personal cloud! It includes a color LCD console display on the front and has room for a 2.5inch HDD/SSD along with the XU4 board inside the CloudShell
No product available!
No product available!
The Tower Windmill from Ugears is more than a mechanical puzzle. It is an exciting adventure into the history of old England. The model is based on the Chesterton Windmill, a 17th-century cylindrical stone tower windmill that was built outside the village of Chesterton, Warwickshire county. Built around 1632-33, the Windmill was restored between 1965 and 1974 and today it is the earliest tower mill in England to retain any of its working parts.
This unique construction with an arched base was presumably built by a prominent figure of the period, Sir Edward Peyto that owned Chesterton Manor at that time. UGears 70055
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HK NTM Prop Drive Series 28-26A 1200kv / 286w (short shaft version) (25084)
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LCD 2x20, 146x43mm, LED backlight (WHITE) NEGATIVE BLUE, enhanced temperature range, 9.22mm character
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No product available!
Basys3 set with Artix-7 FPGA (Xilinx), equipped with in the built-in JTAG programmer and basic peripherals for testing the application, with the Vivado package (the version dedicated to the set, the implementation of projects exclusively on the FPGA system from the set). Educational version in a special price for students, lecturers, universities ...
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No product available!
No product available!
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