Published in issue , December Order from ElektorPCB, bare, April 16, PUBLISHED. in Elektor magazine | December | Find it here. If your OBD2-Analyser NG is equipped with the optional Bluetooth module published in the April issue of the Elektor magazine, you even. Elektor at the core is a cheerful conglo- brought to you by Circuit Cellar, Elektor April AUS$ – NZ$ – SAR £
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However, the main advantage is after repair, since you just need one driving cycle to see if the repair was successful. If you wish, you can solder the leads to the back of the board when you fit the board in the enclosure later on.
PC connection The circuit does not have its own display unit, but instead delivers its readings to a PC via an RS bus. Next rotate each of the 20110 in eletkor fully in the opposite direction; the LED should light up. The time delay between the signals from a pair of sensors ele,tor determined by a correlation algorithm in the signal processing software, which shifts the signal waveforms from the two supply line sensors relative to each other until they virtually overlap.
In case of circuits connected to the AC powerline, the usual safety regulations must be observed. You can download the archive of Elektor Electronics magazine free.
Heating System Monitor (090328)
How to download files? By contrast, three-way valves between the two sensor locations are not a problem as long as they are closed while measurements are being made. This is followed by a simple low-pass filter formed by R36 and C20, which filters out induced AC hum. The LED is lit constantly when an interrupt pin is active; otherwise it blinks or is dark.
The temperature signals from the sensors on the return line are correlated in the same manner, and ideally the time offsets obtained for the supply and return eelektor should be the same. Hot water please If the heating system is also used to supply hot water for domestic use, additional pipes are used for this purpose.
Speedometers and tachometers Chargers, accumulators, galvanic cells Citizens’ Band radio Clocks, timers, relays, load commutators Computer devices Computer interfaces Computer moding Computers Computers. Since the browser can be run on a different machine than the application, you can remotely control the OBD2 Analyser NG via the internet, then.
It is important to ensure that there are no active branches between sensors S and S2 on the supply line or between sensors R and R2 on the return line. It starts elekor the temperature sensors connected to the circuit board, which are NTC silicon devices.
The temperatures can easily be measured with suitable sensors. However, port number must be less than If you fit the board in the enclosure so the LED and the trimpots are visible or accessible through openings in the front, there will be enough room at the rear for the sensor cables.
Their resistance varies by around 0. This costs electricity to power the pump, and energy is also lost through the pipe walls.
We make use of the fact elwktor the supply and return temperatures always vary by at least one to two degrees due to the operation of the control system.
Internal elektog resistors in the microcontroller generate the high level. Jumper JP3 must be fitted if the circuit is connected to the end of the RS bus. It also has a built-in control function for the circulation pump, which helps you reduce 20100 environmental impact and keep your bank balance healthy.
Check the updates for details and more features. April 1,Latest update: Naturally, the corresponding driver must also be installed on the PC before you can use the adapter.
JP4 has yet another function: U6a and U6b are also wired as comparators for signals from the elekotr sensors for hot and cold domestic water. That depends on the availability of some DXM commands that are undocumented in the official DXM documentation, but are used by the latest official firmware v1.
When using materials of the website, link to http: After this the LED should start blinking. The number from the number memory will be used for subsequent commands that need a number as parameter.
This is provided by the combination of R20, R26 and R If you want to switch a circulation pump, you elektr need a suitable power relay or contactor, which in turn is driven by K1.
De : Ton Giesberts – p 7 | Elektor Magazine
Reprogramming a few fuses is necessary to enable the boot loader to work properly, but first you should study avgil microcontroller data sheet carefully. These two opamps can pull port pin PD7 or PB0 respectively to approximately 0.
Always use headers with gold-plated contacts for the sensor connections, as otherwise the circuit will do a good job of measuring any significant mechanical vibration. Link to download the archive of Elektor Electronics magazine: For example, the resistance of a KT sensor is approximately 1.
Here C28 and R61 form a high-pass filter that more or less allows only changes in the signal level to pass. In these versions a short pause has been inserted into the busy-wait-loop of the firmware eleektor reduces the strain inflicted on the CPU core significantly. If the Verify and Write buttons are not active after you press elektro Bootload button on the Maintenance tab, swap the two lines of the RS bus.
Warning for HHEmu V2.
Free Elektor magazine July/August 2010
In that case you can view more data items or menu items at once, since the test software’s display height is 64 simulated pixels instead of the 32 pixels of the original LCD. The next step is to launch the PC program termgui. TV Elektor Ethics Back to top. Then enter agril Bluetooth menu.
Firmware Update and Emulator for OBD2-Analyser NG / Wireless OBD2 – Elektor LABS | Elektor Magazine
Since HHEmu version 2. Flow transducers are available for measuring the flow velocity, but installing a flow transducer always requires drilling a hole in a pipe or opening up the piping to insert a elektoor.
In this article we describe a relatively easy way to check these values and monitor your consumption almost continuously. That allows to display 8 menu lines at once.
That is much more leektor you would see in a real vehicle. An ATmega microcontroller constantly acquires temperature data from the two sensors. When you relocate, the system can be removed without leaving any traces behind.