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This volume reviews the main group organometallic compounds. The synthesis, reactivity and synthesis of organic compounds. Classes of reactions, including metallation, Grignard reagents, metal exchange, alkylation and arylation.
9.01 Lithium
9.02 Sodium and Potassium
9.03 Magnesium
9.04 Zinc and Cadmium
9.05 Boron
9.06 Aluminum
9.07 Silicon
9.08 Tin
9/09 Lead
9.10 Antimony and Bismuth
9.11 Selenium
9.12 Copper, Silver, and Gold
9.13 Tellurium
9.14 Indium and Gallium
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MYIR MYC-C7Z020 is a single board computer module based on the MYC-C7Z020 chip. This system consists of a dual-core processor based on the Cortex-A9 core (667 MHz) and the Artix-7 FPGA chip. The board has 1 GB of DDR3 SDRAM, 4 GB of eMMC memory and 32 MB of QSPI Flash memory. The board is equipped with numerous peripherals, the outputs of which have been led out on two 140-pin connectors.
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Shield Arduino with dual driver for DC motors VNH2SP30. It allows you to control two DC motors with a supply voltage of up to 16 V and a current consumption of up to 30 A. Monster Moto Shield
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The AI accelerator with a USB connector is based on the Lightspeeur SPR2801S chip with a performance of up to 9.3 TOPS per watt. Optimized for use with single board computers based on Allwinner SoC chips, incl. Orange Pi. Orange Pi AI Stick Lite
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SpaceSOM series module with NXP i.MX8M plus 1.8 GHz processor (4 Cortex-A53 + Cortex-M7 cores), 2 GB RAM and 8 GB eMMC memory. SomLabs SLS35X8MPQC_1800C_02GR_08GE_0SF_C
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EP5388QI, Step-Down DC-DC Switching Converter 800mA with Integrated Inductorą, QFN-16
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The true jewel of Ugears new collection of wooden models is an exquisite Mechanical Treasure Box for jewellery and notes. Mysterious and intriguing puzzle boxes, known in many cultures and especially popular in Victorian England, could not pass by our attention. Beautiful recognizable Ugears design and traditional step-by-step puzzle give you the Treasure Box – delight to the eye and food for brain.
The delicate through-carved work of its lid and sides invites you to gain a glimpse into the mystery that the moving gears conceal. Although only the one who can solve the secrets of the puzzle-box will get to enjoy the treasure of beautiful mechanics in its action. UGears 70031
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