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From wikiluntti
- 22:21, 3 April 2025 Joustavaa matematiikkaa (hist | edit) [2,679 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Johdanto == <youtube>rsKNrnlfXt4</youtube> Myytti: ”Pienille lapsille on tärkeämpää kehittää kielellisiä taitoja kuin harjoitella matemaattisia taitoja.” Kirjaa ylös, miksi myytti ei pidä paikkaansa. * == == == ==")
- 08:22, 1 April 2025 Grafana dashboard (hist | edit) [4,142 bytes] Mol (talk | contribs) (Created page with "== Introduction == Grafana is a open source analytics application. It can produce charts, graphs, and alerts for the web when connected to supported data sources. * https://github.com/grafana/grafana * https://grafana.com/get/ * https://grafana.com/docs/grafana/latest/setup-grafana/installation/ == Examples == === CSV Data === === GIS === == Logs from Serial port == Use PuTTY and save (stream) logs to a file.")
- 18:29, 23 March 2025 ESP32 cansat next (hist | edit) [3,301 bytes] Mol (talk | contribs) (Created page with "== Introduction == Some interesting coding stuff == snprintf == printf, print Each ASCII character takes 1 byte. You can store exactly 128 ASCII characters in the above char array. <syntaxhighlight lang="C"> char report[128]; memset(report, 0, sizeof(report)); snprintf(report, sizeof(report), "%4.2f, %4.2f, %4.2f, %4.2f, %4.2f, %4.2f", ax, ay, az, gx, gy, gz); Serial.println(report); </syntaxhighlight>")
- 17:34, 12 March 2025 Make a Parachute (hist | edit) [89 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Theory == == Spherical ==")
- 15:58, 11 March 2025 Esp32 gnss (hist | edit) [3,666 bytes] Mol (talk | contribs) (Created page with "== Introduction == Global Navinagation Network System * GPS (USA), * GLONASS (Russia) * BDS (Beidou) (China) * Galileo (Europe)")
- 18:02, 10 March 2025 H2S sensor (hist | edit) [1,026 bytes] Mol (talk | contribs) (Created page with "== Introduction == == ESP32 Cansat NeXT==")
- 17:38, 10 March 2025 Physics of Rainbow (hist | edit) [78 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Theory == == Maths ==")
- 11:22, 8 March 2025 Raspberry Pi Camera (hist | edit) [5,106 bytes] Mol (talk | contribs) (Created page with "== Introduction == <code>rpicam-still</code> == I == == I == == I == == I ==")
- 18:09, 23 February 2025 Arduino and MIDI (hist | edit) [354 bytes] Mol (talk | contribs) (Created page with "== Introduction = == MIDI Standard == == MIDI plug ==")
- 17:34, 23 February 2025 Fixing of a Mobile phone (hist | edit) [622 bytes] Mol (talk | contribs) (Created page with "== Introduction == Display (screen) replacement == Samsung Galaxy S10+ == Samsung Galaxy S10+ * SN: r58m78at7wf * SM-G975F * SM-G975FZWDNEE * Dimensions: 157.6 x 74.1 x 7.8 mm3, 6.4", 1440x3040 pixels Ifixit part number IF416-001-3 * Display adhesive * Rear cover adhesive")
- 21:25, 16 February 2025 Aurinkokenno ja jääkaappi (hist | edit) [1,723 bytes] Mol (talk | contribs) (Created page with "== Johdanto == Aurinkokenno, akku ja tarvikkeita. == Teoriaa == Kenno: Akku: Jääkaappi:")
- 20:13, 9 February 2025 Studies and research about impact of FLL (hist | edit) [4,025 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Results == == Papers == == References ==")
- 19:33, 7 February 2025 Teknisten aineiden opetuksen taso ja laatu (hist | edit) [9,474 bytes] Mol (talk | contribs) (Created page with "== Johdanto == == Teoriaa == https://www.tekninenopettaja.net/blogi * Teknisen työn arvostus peruskoulussa – lääke teknologiateollisuuden osaajapulaan ** Suomen Hitsausteknillisen Yhdistyksen hallituksen edustajat kirjoittavat Turun Sanomien Lukijoilta palstalla (18.10.2023) Teknisen työn arvostuksesta peruskoulussa sekä osaavien teknologiateollisuuden osaajien puutteesta. ** peruskoulussa tapahtuvan opetuksen roolin ja ohjauksen merkittävänä koska se vaikut...")
- 17:23, 20 January 2025 Arduino radio hc-12 (hist | edit) [7,066 bytes] Mol (talk | contribs) (Created page with "== Introduction == LoRa, hc12, hc-12 * Frequency band is from 433.4 MHz to 473.0 MHz * 100 channels with a stepping of 400 KHz between each channel * Transmitting power is from -1dBm (0.79mW) to 20dBm (100mW). A half-duplex 20 dBm (100 mW) transmitter * Receiving sensitivity is from -117dBm (0.019pW) to -100dBm (10pW) Connect a 22 µF to 1 mF reservoir capacitor in parallel with the HC-12 "Gnd" and "Vcc" pins. == Set == == Transmission Tx == == Receive Rx ==")
- 13:02, 18 January 2025 CNC-3018Pro cheap CNC milling machine (hist | edit) [1,392 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Software == * https://jscut.org/jscut.html# == References == * https://cncphilosophy.com/3018-cnc/ ** Great")
- 18:07, 17 January 2025 MPU6500 and MPU6050 Arduino Simple Code (hist | edit) [1,385 bytes] Mol (talk | contribs) (Created page with "== Introduction == Libraries * FastIMU * MPU6050_WE == Theory ==")
- 19:25, 13 January 2025 Python read csv data (hist | edit) [1,408 bytes] Mol (talk | contribs) (Created page with "== Introduction == Read csv data into python == Numpy ==")
- 18:32, 13 January 2025 Arduino Using SD card (hist | edit) [394 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Adafruit OpenLog == Supports microSD cards up to 64GB. FAT16 or FAT32 file type. "The OpenLog is so simple, just connect it to your serial port and forget about it." Example code: * https://learn.sparkfun.com/tutorials/microclimate-kit-experiment-guide/experiment-7-logging-to-the-microsd-card")
- 16:26, 12 January 2025 Ball bearings (hist | edit) [504 bytes] Mol (talk | contribs) (Created page with "== Introduction == == Roller Skate Ball Bearings == * Outer diameter 22 mm * Thickness 7 mm * Inner diameter 8 mm")
- 19:59, 4 January 2025 Diy Spectroscope (hist | edit) [6,660 bytes] Mol (talk | contribs) (Created page with "== Introduction == Spectroscope. Spectrometer is the machine to give the readings. Spectroscope can be made using * Diffraction grating; eg. CD or DVD disk, or ** Natural gratings: Striated muscle, peacock feathers, mother-of-pearl, and butterfly wings. Some invertebrate animals, like the peacock spiders, the antennae of seed shrimp, and Burgess Shale fossils ** Iridescence in birds, fish and insects is often caused by thin-film interference * Prism == Theory == I...")
